Development

Misc Discuss here miscellaneous stuff around development of openHAB. Features This category can be used to inform user and other developers about new features under development and to discuss details about them. Marketplace This category can be used by everyone that is looking for custom development work around openHAB or professional services like help on installation / customisation or similar tasks. Documentation Topics around how the documentation is organized, built and structured. IDE & Build Discuss here how to use/setup the IDE and build systems. Add-ons Discuss here how to develop add-ons and ask conceptional questions on the technologies, concepts, etc.

Topic	Replies	Views	Activity
About the Development category Development	0	2451	January 18, 2019
Eclipse code formatter settings for OH IDE & Build	0	42	December 30, 2025
State Filter (Range Filter) Profile Features transformations , filter	83	1063	December 28, 2025
Lambda Heat Pump in OpenHab Add-ons modbus	105	2044	December 27, 2025
OH, Threads, and Java Project Loom Misc	19	709	December 25, 2025
Installing KAR add-ons through the addons folder Add-ons karaf	35	422	December 22, 2025
KNX secure - initial implementation Add-ons knx , binding-development	21	2719	December 21, 2025
How to run OSGi tests IDE & Build	0	35	December 21, 2025
Null type mismatch in openhab.core IDE & Build	1	50	December 21, 2025
Create complexType directly into binding Add-ons	2	55	December 20, 2025
"Demo app" stuck at startlevel 10 Development	39	124	December 18, 2025
MQTT device discovery payload Misc mqtt , auto-discovery , homeassistant	6	162	December 17, 2025
The state of the Z-Wave binding Development	18	411	December 15, 2025
Creating a Channel without unit Add-ons	4	64	December 11, 2025
How to deploy test versions of add-ons to users Development	6	124	December 7, 2025
Apache Aries SPI Fly NPE Development	0	28	December 5, 2025
Translating Thing’s Property Names Development	6	91	December 5, 2025
Chatgpt to generate core code to openHab (Policy / Restriction) Development	20	279	November 27, 2025
Eclipse debugging IDE & Build	2	49	November 26, 2025
Again: Io.jetty.certificate embeds bouncy castle crypto classes resulting in classloader error Development	3	129	January 2, 2026
UnDefType in TimeSeries? Add-ons	2	32	November 21, 2025
Non Native openHAB bridges (new binding: SMA inverter via bluetooth ) Development python , sma , openhab5	14	138	December 22, 2025
Event subscribe on sitemaps api Development sitemaps , events , api , subscribing	2	59	December 21, 2025
Something wrong with woodstock dependency, IDE & Build	1	40	November 9, 2025
Null comparison always yields false is false Development null	6	98	December 16, 2025
REST api throws 500 on invalid datetime submited Development restapi , error500	2	53	December 8, 2025
UsbSerialDiscovery - what should it register? Development discovery	23	171	December 2, 2025
Latest version 4.3.7 on GitHub instead of 5.0.1(?) Development	38	575	December 2, 2025
OpenHAB OPC Server for DA and UA Development	1	40	December 2, 2025
OH3.2 Eclipse IDE: Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory IDE & Build	16	771	October 19, 2025